Finding the Fourth Proportional to 58,079.72, 80,155.31 and 35,419.97

Step by Step Solution

1. Step 1: Write the proportion equation
   58,079.72 : 80,155.31 = 35,419.97 : x
2. Step 2: Convert to fraction form
   58,079.72/80,155.31 = 35,419.97/x
3. Step 3: Cross multiply
   58,079.72x = 80,155.31 × 35,419.97
4. Step 4: Simplify right side
   58,079.72x = 2,839,098,097.66
5. Step 5: Solve for x
   x = 2,839,098,097.66/58,079.72
6. Step 6: Final answer
   x = 48,882.78